Pictures: Swimmer Ryan Lochte through the years

U.S. swimmer Ryan Lochte smiles as he holds his trophy for best male swimmer in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 31, 2011.

U.S. swimmer Ryan Lochte smiles as he holds his trophy for best male swimmer in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 31, 2011. (MARK RALSTON, AFP/GETTY IMAGES)

Yuya Horihata of Japan celebrates winning the bronze medal as gold medalist Ryan Lochte of the United States looks on after the Men's 400m Individual Medley Final during Day Sixteen of the 14th FINA World Championships at the Oriental Sports Center on July 31, 2011 in Shanghai, China.

Yuya Horihata of Japan celebrates winning the bronze medal as gold medalist Ryan Lochte of the United States looks on after the Men's 400m Individual Medley Final during Day Sixteen of the 14th FINA World Championships at the Oriental Sports Center on July 31, 2011 in Shanghai, China. (LINTAO ZHANG, GETTY IMAGES)